A CPU (Central Processing Unit) is the chip responsible for actually "doing" most the instructions given to a computer.

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Processor wrong using Memtest86

I am running MemTest86 4.2 on a Mac Pro that has ubuntu installed on it. The /proc/cpuinfo file tells me it has two Intel Xeon X5550 installed as I expected. MemTest86 has Intel Core i7 2660Mhz in the ...
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1answer
51 views

Picking the right ram [duplicate]

I informed myself of picking the right ram, but there are still questions. I am currently running a AMD Phenom II x4 965 (Black Edition) on an ASUS M4A87TD EVO. I'm planning to switch my core as soon ...
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1answer
676 views

CPU is busy after installation of Geforce graphic driver 340.52 (NvNetworkService.exe= 12 % of cpu)

CPU is busy after installation of nvidia Geforce graphic driver 340.52 (NvNetworkService.exe= 12 % of cpu) Any body knows why? I have Dell XPS L502x laptop. This problem occurred just after ...
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44 views

Clock vs Cache in Gaming

I'm curious, I have two processors laying around that I won't name due to the rules of this site, however, one of them is Quad-Core, with a 12MB L2 cache and a clock speed of 2.67GHz. The other is ...
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1answer
70 views

CPU usage drops dramatically [closed]

I am using an engineering software to conduct series of computationally demanding analyses. I have a relatively powerful desktop with the following specs: CPU: Intel core i7 3930k @ 3.2GHz RAM: 64 GB ...
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2answers
803 views

Want to buy Asus H81M-PLUS motherboard and i3-4150 CPU; how to make sure it'll work?

I want to buy an ASUS H81M-PLUS mainboard and an Intel i3-4150. The CPU is an Haswell Refresh CPU, but the mainboard needs a newer BIOS version to support the CPU. I expect it won't be shipped with ...
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2answers
24 views

Best factor for determining the bettering of CPU [duplicate]

First of all, if my English is not good please pardon me. Now the problem; when comparing many CPUs with each other, which factor is the best one? For example, there are many various types, like, ...
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1answer
208 views

CPU power more than motherboard support wattage

I have a hardware question. I'm trying to build a shuttle computer . The power specs on page 4 says it can handle only max 65 watt processor. Every processor I'm looking at is over that wattage. ...
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2answers
134 views

Computer doesn't start after installing new Corsair DDR2 RAM

I have a new memory stick (CORSAIR 2 GB of RAM) and I have an older set of 2 sticks of RAM that are 512MB and 256 MB. (I bought it 1GB actually but the Computer tells that it has 256MB of RAM only). ...
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1answer
107 views

DELL Inspiron lapton has CPU failure. What can I do?

My DELL Inspiron isn't starting at all. When I power on it beeps 7 times and I know this means CPU failure. What can cause CPU failure? Is necessary to buy another CPU? Can CPU failure cause high ...
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1answer
171 views

Laptop “thinks” it's overheating, shuts down itself

Short version: When I turn on the laptop fans go full speed even though the the laptop is ice cold. After about 20 seconds it shuts down itself which I guess it's "thinking" CPU is overheating. Long ...
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16 views

crond regularly maxes out CPU

I'm running Arch Linux ARM and I've having a few issues with crond. I have a conky that displays the top 5 processes (in terms of CPU usage) and every few minutes, crond will appear at the top of the ...
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47 views

Does intel heat sink have film over compound?

I just installed my new cpu and heat sink but did not check the bottom of the cooler to see if there was a film covering the thermal compound. Does anyone know if there is any?
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25 views

Computer not booting properly

I just recently bought new computer parts for my little brother (specs below). So he could play some games. however, the computer doesn't want to boot properly. It does boot, where all the fans spins ...
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2answers
62 views

Using Windows Server 2012 like a regular operating system

I am in the process of designing a custom computer for work. I've been leaning towards building a system with 4 physical processors in it, However no windows versions except for the server releases ...
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1answer
2k views

How to change ffmpeg -threads settings

Working on a tube site. I'm running videos through ffmpeg on a linux dedicated server to convert to mp4. The server specs: Architecture: x86_64 CPU op-mode(s): 32-bit, 64-bit Byte ...
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1answer
60 views

Does 2 Single core = 1 Dual Core?

Recently I attempted to suggest to a group that we should have our hardware upgraded on one of our rendering servers. The server has 2 single core CPUs, and I suggested that we really should have more ...
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1answer
47 views

Iostat and top show static resource usage on first value

For one of my projects, I need to obtain resource (CPU, I/O and disk-space) usage programatically. Currently I'm running shell commands (iostat) and parsing the results which works relatively well ...
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1answer
159 views

Haswell 4770k 1866 or 1600 ram difference?

Hi all i am getting this proccessor and am still not decided on the ram. I was told haswell works best with 1600 and that all 1866 is 1333mhz overcloked to 1866 so its best to get the 1600? I will ...
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1answer
47 views

Windows task scheduler - CPU temperature trigger

Is possible to run a task on the Windows task scheduler when the cpu reaches a certain temperature? If it's not possible what are the alternatives?
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1answer
40 views

CPU keeps reporting overheating after reinstalling fan

I'm going to try and make this concise: I remove the side plate of my father's computer, who reported it to spontaneously turn itself off after minutes of work (or sooner) and see the CPU heatsink ...
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93 views

VirtualBox uses too much CPU on Windows 7

I was reading about http://skeptics.stackexchange.com/questions/22630/is-google-chrome-killing-my-laptop-battery and stumbled across the ClockRes App If I run this code: @echo off :AGAIN call ...
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1answer
53 views

laptop motherboard processor upgrade

i have a Toshiba satellite pro LAPTOP with 80 GB hod 512 MB ram and 1.8 GHz celeron processor and manufactured in 2007. i was wondering is it possible to upgrade the processor along with the ...
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36 views

Reinstalling a stock Intel LGA775 heatsink

Just bought a new ASUS P5E motherboard from eBay to upgrade my 10 year old PC. It came with RAM and CPU already installed as it was taken straight out of a working system. The only problem is the ...
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1answer
60 views

“Computer guy” upgraded my processor, now screen had flickering color lines

After paying to have my 3.4 single core cpu upgraded to a pentium D 945. Computer is dell Optiplex gx620 and OS is windows XP. Has 4gb ram and the graphics card is geforce gt 430. I know it's not the ...
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2answers
258 views

How to determine if it's a motherboard or CPU issue? [closed]

Note that I read the main suggested question and my situation is different, so that's why I'm asking again. I'll explain everything in detail (this will be a little long, but I'll make it as short ...
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63 views

How to enable lower CPU idle frequencies

Working with a a10-7850K, it just kicks off heat. In order to reduce power use and fan noise, how would I go about configuring a lower idle for the CPU? I know the host OS has a role in configuring ...
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1answer
44 views

The more I use my computer the less it lasts?

I would like to know your opition about the relation between the following 2 variables and 2 outcome measures. The variables are: Time a computer/laptop is on, carrying normal tasks/processes (word ...
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1answer
200 views

Can I overclock my Intel I7 CPU? [duplicate]

My notebook specs: HP DV6-6177EE Core I7 2630QM HD 6770M swicthable graphics 8GB DDR3 1333Mhz Can do I overclock that Intel CPU? What software to use? I've searched but no results. It's actually ...
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0answers
48 views

Desktop remains on, display quits working, loud “skipping” noise follows

For the past 2-3 days, strange things have been going on with my desktop and its interaction with the monitor. While playing a game, my monitor went black as if my computer had been shut off. However, ...
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1answer
953 views

Why are videos rendered by the cpu instead of the gpu?

Well I know this might sound like a pretty stupid question, but I couldn't find an answer using google, so yeah ... So, I know there are techniques like OpenCL and CUDA, but why is, by default, the ...
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1answer
50 views

PC not consistantly working after upgrading CPU

I have a PC with Asus P5B Deluxe motherboard, E6700 CPU (Core 2 duo) and 8 GB of ram (ddr2 800) I wanted to upgrade my CPU, and so I went to the motherboard's website: ...
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2answers
34 views

Desktop is restarting when CPU load more than 60%

My desktop is restarting frequently when CPU load is 60% or more for few seconds. i cleaned CPU fan dusts but still it is happening. so what could be the problem?
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1answer
198 views

Windows 7 suddenly high CPU increase

I'm having problem with my Windows 7 and it is driving me crazy. In the past few days I get suddenly CPU increase. When I checked CPU usage by processes it looks like every open chrome tab has 5-15 %, ...
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3answers
64 views

What is this chip on my motherboard?

I have a question that is really driving me crazy! I have a dell xps M1210 laptop. The other day I opened it to apply thermal paste. There are 2 chips connected to the heatsink, one raised, and one ...
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19 views

Show all running tasks in Assembly

Is it possible to show/log everything what the CPU does? The CPU knows what it executes, so it could print the running threads/tasks on the screen or in a file.
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2answers
106 views

What is the meaning of CPU core?

My system processor is Intel Pentium(R) Dual-Core CPU E5300 @ 2.60GHz. My processor speed is 2.6 GHz as mentioned in process name. The processor name tells this is dual core. My doubt is: ...
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1answer
392 views

Why does my computer run slow if it is not using most of its CPU or RAM? [closed]

I have two machines - a relatively cheap laptop and a high end desktop. My laptop sometimes runs slowly doing various tasks that would be quick on my desktop. My first guess is that I'm using most of ...
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351 views

Loud Noisy (CPU Watercooler?) Fans

I have an issue with my computer lately, I built my computer 3 months ago and I assume my CPU watercooler fan is getting louder. I have a Corsair H100i Watercooler, Intel Core i5-3570k CPU, ASRock Z77 ...
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1answer
71 views

Does my Memory (RAM) socket type need to match my CPU (RAM) socket type?

I am currently trying to build a PC and Have found the hard drive that I want, but now as I look into the memory ((DDR3)) none of the memory I want matches the CPU memory slot type of 1150; all of ...
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3answers
103 views

Burning paper with laptop

A few hours ago I was playing a computer game when I noticed smoke coming from next to my laptop. Then I noticed that the stack of paper next to it had begon to smolder. I threw it into a glass of ...
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2answers
164 views

How do binary files run on different machines? [closed]

I always wondered about how executable binary files actually work. Compilation is always stated as taking the source code and translating it to machine language But what does that really mean? ...
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53 views

OpenGL rendering affects CPU

I have a problem with an app that is slowed down significantly when an openFrameworks based app is launched. Both apps use little cpu and memory, so i don't think there's a bottleneck. I can ...
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0answers
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How can I log the CPU usage of one process over a period of time in Windows 7? [duplicate]

How can I log the CPU usage of one process over a period of time in Windows 7? I would be thanksfull for any help!
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144 views

Should the CPU usage go up to 100% when swap happens on Linux

I had been running a demo system on Linux with the following kernel: 2.6.32-400.1.1.el5uek #1 SMP Mon Jun 25 20:25:08 EDT 2012 x86_64 x86_64 x86_64 GNU/Linux And as soon as swap happens, the CPU ...
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44 views

what is the number of operations per cycle for the cortex a57 arm processor?

Im trying to figure out how many double precision operations per cylce a cortex A57 processor can achieve, according to this manual page, there can be upto three instructions per cycle delivered ...
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61 views

HP Compaq 610 cpu fan change

I want to check my CPU fan power port is working. Originally it had 0.2A fan. and it stopped working and i odered a fan and it is 0.5A fan. It is not working when it plug to mother board.External ...
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2answers
433 views

Google Play Music lags when CPU usage is high

For some time, I've been testing with Google Play Music All Access. It works perfectly on my phone, but I have a very annoying issue on my laptop. It seems that when I'm just browsing or developing ...
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22 views

Can I install an AMD Turion X2 64 RM-70 on a Toshiba Satellite L505D-SP6983R?

The original processor was an AMD Turion X2 64 RM-74 (dead) The board is named V000185220 Rev 1.10 This board accepts S1G2 processors, and should accept the RM-70. But I am not so confident when ...
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54 views

Computer is Shutting off Randomly Throughout the Day - Need to Tilt Case to Restart

Throughout the day, my Windows 7 desktop system is shutting down without warning every 2-6 hours or so. The frequency seems to be getting greater, but I'm not yet completely sure of that fact. This is ...